Tottenham's U23 coach was taken to hospital after collapsing at training on Thursday and passed away in the early hours of Friday morning, Spurs confirmed on Twitter.
"It is with immense sadness that we announce the passing of Ugo Ehiogu, our Under-23 coach," the statement reads.
Meanwhile, head of coaching and player development at Spurs, John McDermott, said: "Words cannot express the shock and sadness that we all feel at the club.
"Ugo's immense presence will be irreplaceable. Our heartfelt sympathies go out to his wife Gemma and his family."
Read the full article on eurosport.co.uk: Former England defender Ugo Ehiogu, 44, dies following cardiac arrest